<template>
    <!--所有的item都展示同一个图片，同一个文字-->
    <div class="tab-bar-item" @click="itemClick">
        <div v-if="!isActive"><slot name="item-icon"></slot></div>
        <div v-else><slot name="item-icon-active"></slot></div>
        <div :style="activeStyle" ><slot name="item-text"></slot></div>
    </div>
</template>

<script>
export default {
    name:'TabBarItem',
    props:{
        path:String,
        activeColor:{  
            type:String,
            default:'#d4237a'
        }
    },
    data() {
        return {
          
        }
    },
    computed:{
         isActive(){
             return this.$route.path.indexOf(this.path) !== -1
         },
         activeStyle(){
             return this.isActive ? {color:this.activeColor} : {}
         } 
    },
    methods: {
        itemClick(){
            this.$router.replace(this.path)
        }
    },
}
</script>

<style>
.tab-bar-item{
    flex: 1;
  }
.tab-bar-item img{
    width: 24px;
    height: 24px;
    vertical-align: middle;
    margin-bottom: 2px;
}
</style>